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To W. H. Edwards 23 April [1872]
Summary
Thanks for part nine of WHE’s [Butterflies of North America (1868–72)].
Comments on trimorphism in Papilio ajax.
Author: | Charles Robert Darwin |
Addressee: | William Henry Edwards |
Date: | 23 Apr [1872] |
Classmark: | John Hay Library, Brown University (Albert E. Lownes Manuscript Collection, Ms. 84.2 (Box 3, Folder 38)) |
Letter no: | DCP-LETT-8299 |